package org.apache.commons.graph.model

import org.apache.commons.graph.utils.Objects
import java.io.Serializable

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License.  You may obtain a copy of the License at
*
*   http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied.  See the License for the
* specific language governing permissions and limitations
* under the License.
*/

open class BaseLabeledEdge(
    /**
     * {@inheritDoc}
     */
    @JvmField val label: String
) : Serializable {

    /**
     * {@inheritDoc}
     */
    override fun equals(obj: Any?): Boolean {
        if (this === obj) {
            return true
        }

        if (obj == null || javaClass != obj.javaClass) {
            return false
        }

        val other = obj as BaseLabeledEdge

        return Objects.eq(label, other.label)
    }

    /**
     * {@inheritDoc}
     */
    override fun hashCode(): Int {
        return Objects.hash(1, 31, label)
    }

    /**
     * {@inheritDoc}
     */
    override fun toString(): String {
        return String.format("%s()", label)
    }

    companion object {
        private const val serialVersionUID = -4985890761880816592L
    }
}
